About Hirondellea gigas

Hirondellea gigas is a species of amphipod crustacean found in the hadal zone of the Pacific Ocean, particularly in the Mariana Trench. It is adapted to extreme deep-sea environments, living at depths exceeding 10,000 meters where pressures are immense and temperatures are near freezing. This species feeds on organic matter that sinks to the ocean floor, playing a crucial role in the deep-sea ecosystem as a scavenger. Its unique adaptations, such as a lightweight exoskeleton and specialized enzymes, allow it to survive and thrive in one of the most extreme habitats on Earth.


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Hirondellea gigasArthropoda-Deep sea6,800-11,000Mariana Trench in the northwestern Pacific Ocean1518452

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completenessGene Number
-13.92GbChromosome2025CNA0142381-CNP000537489.34%27,881

References
TitleJournalPubmed ID
The amphipod genome reveals population dynamics and adaptations to hadal environmentCell40054448

Gene Information

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Gene IDDescription
Hgig_08097
Hgig_08098METABOTROPIC GLUTAMATE RECEPTOR
Hgig_08099CHITINASE
Hgig_08100
Hgig_08101HEPARAN SULFATE SULFOTRANSFERASE
Hgig_08102
Hgig_08103
Hgig_08104PEPTIDYL-PROLYL CIS-TRANS ISOMERASE
Hgig_08105
Hgig_08106HVA22-LIKE PROTEINS
Hgig_08107PAK1 INTERACTING PROTEIN 1
Hgig_08108
Hgig_08109CDC42 SMALL EFFECTOR PROTEIN HOMOLOG
Hgig_08110TEKTIN
Hgig_08111NUCLEOTIDE-BINDING PROTEIN NBP35 YEAST -RELATED
Hgig_08112TEKTIN
Hgig_08113NUCLEOTIDE-BINDING PROTEIN NBP35 YEAST -RELATED
Hgig_08114STRUCTURAL MAINTENANCE OF CHROMOSOMES 5,6 SMC5, SMC6
Hgig_08115
Hgig_08116CRUMBS FAMILY MEMBER
Hgig_08117PAX TRANSCRIPTION ACTIVATION DOMAIN INTERACTING PROTEIN
Hgig_08118
Hgig_08119
Hgig_08120SPLICING FACTOR SUPPRESSOR OF WHITE APRICOT
Hgig_08121
Hgig_08122ALPHA-L-FUCOSIDASE
Hgig_08123
Hgig_08124ALPHA-L-FUCOSIDASE
Hgig_08125
Hgig_08126CONTACTIN 5
Hgig_08127
Hgig_08128GUANYLATE CYCLASE SOLUBLE SUBUNIT BETA-2
Hgig_08129DISCOIDIN, CUB, EGF, LAMININ , AND ZINC METALLOPROTEASE DOMAIN CONTAINING
Hgig_08130
Hgig_08131
Hgig_08132ACROSIN-RELATED
Hgig_08133
Hgig_08134OXIDASE/PEROXIDASE
Hgig_08135NUCLEAR PROTEIN LOCALIZATION 4
Hgig_08136DOWN REGULATED IN RENAL CARCINOMA 1/TU3A
Hgig_08137
Hgig_08138PHOSPHORIBOSYLFORMYLGLYCINAMIDINE SYNTHASE
Hgig_08139UNCHARACTERIZED
Hgig_08140
Hgig_08141
Hgig_08142REVERSE TRANSCRIPTASE DOMAIN-CONTAINING PROTEIN
Hgig_08143
Hgig_08144ZINC FINGER PROTEIN 622
Hgig_08145DNA REPAIR PROTEIN XRCC4
Hgig_08146METHYLTRANSFERASE-LIKE PROTEIN 24
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